# McGraw Hill Math Grade 3 Chapter 12 Lesson 1 Answer Key Using Unit Squares to Find Area

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## McGraw-Hill Math Grade 3 Answer Key Chapter 12 Lesson 1 Using Unit Squares to Find Area

Practice

Find the area of each figure.

Question 1.

Answer:
10 square units

Question 2.

Answer:
4 square units

Explanation:
The above figure is made up of 4 squares
So, the area of the figure is 4 square units.

Question 3.

Answer:
8 square units

Explanation:
The above figure is made up of 8 squares
So, the area of the figure is 8 square units.

Question 4.

Answer:
3 square units

Explanation:
The above figure is made up of 2 squares and 2 triangles which make 1 square
So, the area of the figure is 3 square units.

Question 5.

Answer:
3 square units

Explanation:
The above figure is made up of 2 squares and 2 triangles which make 1 square
So, the area of the figure is 3 square units.

Question 6.

Answer:
13 square units

Explanation:
The above figure is made up of 12 squares and 2 triangles which make 1 square
So, the area of the figure is 13 square units.

Use the diagram of Mrs. Hartâ€™s kitchen to answer the questions.

Question 7.
The diagram shows the design of a white, tiled kitchen floor. A table sits atop the purple rug. What is the area of the rug?
Answer:
30 square units

Explanation:
The purple rug is covered by 30 squares
So, the area of the rug is 30 square units.

Question 8.
Which has a greater area, the rug or the table? How much greater?
Answer:
The rug has the greater area that is 30 square units

Explanation:
The table is covered by 12 squares
So, area of the table is 12 square units
The area of the rug is 30 square units
So, the rug has greater area that is 30 square units.

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